.markdown-section img {
    display: block;
    margin: 0 auto;
}

.markdown-section h2:before {
    /*内容显示为：计数器h2counter的值转换为中文数字格式+顿号，格式：一、*/
    content: counter(h2counter) '. ';
}

.markdown-section h2 {
    /*重置计数器h3counter的值*/
    counter-reset: h3counter;
    /*计数器h2counter的值增加1*/
    counter-increment: h2counter;
}

.markdown-section h3:before {
    /*内容显示为：计数器h2counter的值+点+计数器h3counter的值，格式：1.1*/
    content: counter(h2counter) "."counter(h3counter) " ";
}

.markdown-section h3 {
    /*计数器h3counter的值增加1*/
    counter-increment: h3counter;
}

.localized-footer p {
    font-size: 0.6em;
    text-align: right;
    font-style: italic;
}

a[href*="#cite"] {
    vertical-align: super;
    font-size: 0.8em;
}

a[title="查看运行效果"] {
    display: inline-block;
    cursor: pointer;
    background-color: #D91E18;
    color: #F2F1EF;
    border-radius: 3px;
    border: 1px solid #CF000F;
    box-shadow: 0px 3px 9px 2px #BFBFBF;
    height: 2em;
    width: 7em;
    text-align: center;
    margin-top: 5px;
}

a[title="查看运行效果"]:hover {
    background-color: #F22613;
    box-shadow: 0px 6px 9px 2px #BFBFBF;
    text-decoration: none;
}

a[title="查看运行效果"]:active {
    background-color: #D91E18;
    box-shadow: 0px 3px 9px 2px #BFBFBF;
    text-decoration: none;
}

h1#summary {
    display: none
}

.book.font-family-1 {
    font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    font-weight: 300;
    font-size: 17px;
}

.book-summary {
    font-size: 14px;
}
